code: def test_single_sentence():
      document = build_document(("I am the sentence you like",))
      summarizer = LsaSummarizer()
      summarizer.stopwords = (
          "I",
          "am",
          "the",
      )
  
      sentences = summarizer(document, 10)
      assert len(sentences) == 1
      assert to_unicode(sentences[0]) == "I am the sentence you like"
  
file_path: sumy/tests/test_summarizers/test_lsa.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import pytest
  import sumy.summarizers.lsa
  from sumy._compat import to_unicode
  from sumy.nlp.stemmers import Stemmer
  from sumy.nlp.tokenizers import Tokenizer
  from sumy.parsers.plaintext import PlaintextParser
  from sumy.summarizers.lsa import LsaSummarizer
  from sumy.utils import get_stop_words
  from ..utils import build_document, load_resource
label_desc: Use image node_id 4 for calling a global function with example usage: test_single_sentence() without return types